$indexBy public property The name of the column by which the query

indexBy() public method Sets the

where() public method Sets the WHERE part of the query

andWhere() public method Adds an additional WHERE condition

orderBy() public method Sets the ORDER BY part of the

isEmpty() protected method Returns a value indicating

addOrderBy() public method Adds additional ORDER BY columns

filterCondition() protected method Removes

limit() public method Sets the LIMIT part of the query

$where public property Query condition. This refers to the WHERE